144 



Lloyd's natural history. 



Northern Asia, and North America.* It expands from two to 

 three inches. 



The fore-wings of this richly-coloured species are coffee- 

 brown, marked with sinuous cream-coloured or white lines. 

 The hind-wings are red, or occasionally yellow, with large 

 rounded blue-black spots. The collar is often edged with 



Fig. I. 



l"ig. 2. 

 Varieties of the Common Tiger Moth. 



red. The abdomen is red with broad blackish spots on 

 segments three to seven. 



This Moth varies immensely. Sometimes the creamy mark- 

 ings of the fore-wings extend as in fig. i. In others the 

 fore-wings become uniform brown, and the hind-wings blue as 

 far as the fringes (fig. 2). 



* The A.merican Moth has been called Arctia aniericana, Harris ; but 

 it is doubtful whether it possesses any sufliciently constant characters 

 wherewith to regard it as a distinct species. 



